Milwaukee® 48-89-2726 Thunderbolt® Secure-Grip™ General Purpose Jobber Length Drill Bit, Imperial, 5/16 in Dia, 4-1/2 in OAL, HSS, Black Oxide

1039530 MFG #: 48-89-2726
$4.60 / ea
  • Applicable Materials: Metal, Plastic and Wood
  • Cutting Depth: 3-3/16
  • Cutting Direction: Right Hand
  • Cutting Edge Material: HSS
  • Diameter: 5/16
  • Drill Diameter Measurement System: Imperial
  • Finish: Black Oxide
  • Flute Length: 3-3/16
  • Flute Type: Parabolic
  • Material: HSS
  • Overall Length: 4-1/2
  • Point Angle: 135
  • Point Type: Split
  • Series: Thunderbolt® Secure-Grip™
  • Shank Type: 3-Flat
  • Type: General Purpose

Milwaukee® Jobber Length Drill Bit, General Purpose, Series: Thunderbolt® Secure-Grip™, Imperial, 5/16 in Dia, 4-1/2 in Overall Length, 3-3/16 in Cutting Depth, Parabolic Flute, 3-3/16 in Flute Length, 3-Flat Shank, 135 deg Point, Split Point, Right Hand Cutting, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Metal, Plastic and Wood

Milwaukee® Thunderbolt® Black Oxide Jobber length drill bits are designed for extreme durability and long life. The Thunderbolt® web features a thicker core than a standard drill bit to provide ultimate strength and protect against side-load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip™ shank holds the bit firmly in the drill chuck. The 135 deg split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee® Thunderbolt® Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.

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  • Features
  • Videos
  • Extreme durability - thicker web provides greater strength and longer life
  • Fast, accurate drilling - 135 DEG split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast
  • Reduced slipping - 3-flat Secure Grip™ shank holds the bit firmly in the drill chuck
  • Corrosion resistant - black oxide coating provides lubricity and resists corrosion of the bit
  • Standard/Approvals: ARRA Compliant|Buy American Act Compliant